Test Text1 underline Nicki Minaj is branching out. About to be on the big screen, teaming up with Cameron Diaz in "The other woman." She talked to us about her new look. Reporter: There it is. Nicki Minaj's big-screen debut, as Lydia, assistant to Cameron Diaz. A woman caught in a love nest with a married man. Lydia's advice seems to be, it doesn't matter if he's married. Do you subscribe to that? No. I think marriage is sacred. Reporter: If you were caught in the situation, a guy playing three women, how would you handle it? If he wasn't married, I might enjoy that game. Reporter: Okay. If he was married, you have to go. Reporter: Now, Nicki Minaj has performed in front of thousands. She's a pro. So, first day on set, were you bursting with confidence? No. I was so nervous. I felt a lot of pressure because I am sitting this close to Cameron Diaz. And I know if I don't get my lines right, she has to do her lines over. So, I didn't -- that pressure was scary. Reporter: You strike me as a very confident, experienced, you know, performer. I don't know. Just as a girl, too, if you're on camera, you have to worry about so many things. The angle of your body, your face. Reporter: How much of Lydia is you? Or were you acting a little bi None of Lydia is me. The only thing about Lydia is that I was wearing BIGS. Reporter: She mentioned the wigs. They are no more. This is a different look. What's going on? What's going on? I don't know. Before my first album even came out, I said that, on my third album, I would wear my natural hair. I did the wigs. I did the colors. I did the heavy makeup and all that stuff. And now, I guess maybe I'm more confident in myself. Reporter: I was going to say that. Maybe everything was masking -- Maybe. Reporter: A frightened woman underneath? You feel happy to be the real you? Maybe. I definitely -- I wouldn't dispute that. I think it's a valid argument. Reporter: Success has instilled a little confidence. You've been described as the most influential female rapper of all-time. Yeah. Reporter: Do you like that? Yes. Love it. Reporter: With acting, there

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